Lead security efforts to protect OpenAI's internal AI coding agents from advanced cyber threats including APTs and insider risks. Requires strong hands-on technical skills in threat modeling, prototyping defenses, and coordinating cross-team security initiatives.
293k – 405k
HybridSecurity Engineering
About the role
Responsibilities
Develop and maintain threat models via which advanced attackers could compromise our coding assistants and automated security systems.
Identify security investments that are especially critical to make in advance; for example, prioritizing by implementation lead-times, costs, and benefit.
Partner with Security, Infrastructure, Research, Legal, and Preparedness to align on implementation plans and tradeoffs.
Lead technical execution directly when needed, including prototyping controls, writing and reviewing software, and coordinating engineers across teams.
Work with penetration testers to close gaps in defenses.
Requirements
Exceptional hands-on technical executor.
Experience working with advanced persistent threat actors, or other capable cyberoffensive groups.
Ability to creatively reason about non-standard security problems and design workable controls under tight constraints.
Lead and scale Replit's 24/7 global SOC, owning SIEM, detection engineering, AI-powered triage/automation, and threat response across multi-cloud, Kubernetes, SaaS, endpoints, and AI workloads. Requires 7+ years in security operations with 3+ years leading SOC functions, deep cloud/SIEM expertise, and hands-on detection engineering.
295k – 385k
Hybrid7+ YOESecurity Engineering
Secure Manufacturing & Stealth Investigator
OpenAISan Francisco, CA
Lead complex investigations into leaks, insider risks, supply chain compromises, and adversarial activity affecting OpenAI's secure manufacturing, stealth programs, unreleased hardware, and prototypes. Requires 8+ years investigative experience across cyber, physical, and operational domains.
288k – 425k
Hybrid8+ YOESecurity Engineering
Manager, Incident Response
FluidstackSan Francisco, CA +1
Lead incident response as senior commander and escalation lead for AI compute infrastructure. Build and manage 24/7 IR team and on-call program from scratch, handling cross-domain (cyber/physical/OT) incidents with executive, legal, and regulatory communications.
300k – 400k
On-site7+ YOESecurity Engineering
Regional Site Security Lead, Deployment & Ops
FluidstackSan Francisco, CA +2
Lead physical security operations and teams across multiple regional sites including data centers. Own incident response, vendor management, audits, and standardization of security procedures.
300k – 400k
On-site8+ YOESecurity Engineering
Security Lead, Deployment & Ops
FluidstackNew York, NY +2
Own physical security end-to-end for greenfield hyperscale data center builds from groundbreaking through steady-state operations, managing guard forces, security systems deployment, and critical asset protection. Requires 10+ years data center security experience and deep ESS knowledge.